Jacquard mechanism for weaving machines or the like



Apr.24, 1923. M 1,452,711

. I R. H. WEBER- JACQUARD MECHANISM FOR WEAVING MACHINES OR THE LIKEFiled Jan. 31 1922 lam F i ggggg i ATTORNEY 3 T all whom it may concernAmerica, and a resident of New York,

invention consists in the construction of a Patented Apr. 24, 1923.

curren STATES PATENT OFFICE."

RUDOLPHHERMAN WEBER, or NEW YORK, 1v. Y.

. JACQUARD MECHANISM FOR WEAVING MACHINES O'R THE LI KE.

Application filed January 31, 1922. Serial No. 532,976.

Be it known that I, RUDOLPHv HERMAN WEBER, a citizen of the UnitedStates' of county of New York, and State of; New York, havc inventedcertain new and useful Improvementsin Jacquard Mechanism for lVeavingMachines or the like, of which the following is a specification; I V 7The present invention relates to jacquard mechanism for weaving machinesor the like and more particularly totiie acquard card. The ordinaryjacquard card is generally madeo'f a plurality of card-board strips arranged with'their longitudinal edges paral; l'el .to one another andflexibly connected together by cord or the like to form an endless band,each strip being punched out according to a predetermined pattern toform one or more holes, which are to register with corresponding boresin the jacquard cylinder, from which the endless band is suspended. Thecylinder usually of polygonal shape, is rotatively supported in a.vertically reciprocating frame andco-operates with a number ofjacquardpins which control the operation of the weaving machine. Asis wellknown, when the cylinder is moved up wardly towards the sets of jacquardpins, the former actuates those of the pins which come into contact withthe unperforated portions of'a strip ofthe jacquard card, while the pinswhich are in range with the perforations of said strip are permitted toenter the bores or holes of the cylinder and remain inactive. Altho verylittle force, 'a force practically equal to the weight of a jacquardpin, is required to actuate the latter by the card, yet, owing. torepeated application'of such force to the card the latter in acomparatively short time wears out. Apart from this, the card, being ofeasily destructible material, is liable to be damaged when in use. Theseare some of the principal objections-to. the ordinary jacquard cards.

Another more serious objection'is the ,fact

that for each pattern to be woven a separate jacquard card is required,so that, to allord a variety of patterns, a great number of cards mustbe kept in stock andynew. cards prepared for newpatterns. The cards require a specialstock room and owing'to the cost of material and laborconsiderably add to the expense of manufacture.

The objectof this invention is toobviate.

these drawbacks and to "p'roduceia universal jacquard device, i. e., aband which can-be used for any number of patterns, and also to make theband durable. a

With these and other objects in view my quard card and which is composedof a plurality of rows of individual members of rigid and durablematerial and flexibly connected together to an endless band, theindividual members of each row, being capable of being easilyand quicklyremoved, so as to form free spaces for exposing particular holes inthejacquard cylinder, according to the pattern to be weaved. Thus a singleband thus constructed can be used :torjany number of various patterns,by merely varying the location of tree spaces through the removal ofparticular members from the band i k a u My invention alsoconsists inmeans for holding the individual members of, the band "properly spacedrelative to one another upon the removal of some of the members and alsoinmeans for securely holding the ditferent rows in'properp'ositionrelative. to one another. I i:

My invention also consists in meansfor guiding and feeding my new bandover the jacquard cylinder and also in the novel construction,combination and arrangement of parts as will be hereinafter, more fullydescribed and set-forth in the appended claims.

In the accompanying drawing in. which similar reference charactersdenote corre sponding parts, Fig. l is an elevation of a part ofthejacquard mechanism showing my new jacquard band suspended from thejacquard cylinder; Fig. Qisa longitudinal section on line 22 of Fig. 1;Fig. 3 is an enlarged view of a part otthe jacquard band; Fig. 4 is asectional View of a lock for securing the members on the rods; Fig.- 5is a section on line 55 of Fig. 4:; Fig. Gis'a plan view at said lock;Fig. 7 is a face view the other row. The cylinder. at is'suitablysupported in a vertically.v reciprocating frame 6 and through suitablemechanism receive's an'intermittent rotary motion. Cooperating with saidcylinder are sets of jacquard pins suspended above the latter andwhereby the operation of the weaving machine is controlled in well knownmanner. Ordinarily an endless card composed of card-board'stripsspecially perforated for a particular pattern is suspended from thecylinder o and is fed with the latter by teeth or prongs (Z projectingfrom each face thereof and meshing with perforations provided at theends of each strip of the band so that during each partial rotation ofthe cylinder :1 stripo'f the jacquard card is brought to bear on theupper face of the cylinder directed towards the jacquard pins to actuateI At their end edges each member is of uniform Width and cut outuniformly at at opposite sides to form equally sized projections whichare curved cylindrically to form eyelets or sockets 10 The cut outportion 10 k are in length equal to the width of an eyelet so that itwill accommodate an eyelet 10 of a member 10. The length of eachmember'between its eyelets conforms with the width of a face of thecylinder a, while the belly portion 10 of each member is so dimensionedthat it will entirely cover a single bore a of the cylinder a.

With their eyelets 10 these members are adapted to be strung in parallelrows on wires'or rods 11 so that their bellies or. broad portions 10alternate in position, i. e. one member will have'its belly down. theadjacent members, up, the next following, again down'and so forth, asshown in Figs. 1 and 7, to conform with the arrangement of the sets ofbores a" in the cylinder. I11 this position the belly or the broadportion 10 of eachmember will be accommodated in the cavities formed bythe concave curves 10* of the adjoining member and the eyelets 10 of themembers of adjacent rows will be accommodated in the spaces formed bythe out out portions 10 of each member. The several rows of members 10are strung on the rods 11 into an endless band. In addition to thesemembers there is a member 12 at each end of a .row, the inner edge '12of which is curved to conform with the curvature. of the opposite edgeof the adjacent acting I member and, therefore, to closely bear againstsaid edge, while the outer edge 12 of each end member is straight. endmember is provided with a circular Each opening or perforation 12 toserve as a guide hole and to mesh with the prongs or teeth d of thecylinder at. These end members, too, at their ends are cut out as at 12*at opposite sides similar to members 10 and are formed with projections12 which are curved cylindrically to form eyelets or sockets, the cutout parts 12 serving to accommodate the eyelets of the end members ofthe adjacent rows.

In order to secure the individual members and end members in assembledposition on their rods 11, suitable locking means are provided. One formof such locking means, shown herein, consists of a sleeve 13 adapted tobe removably mounted on the end of a rod 11 and formed with resilientfingers 13, the free ends of which are bent as 13 and adapted to engagean annular notch 11' made in the red at a point where it will be closeto the outer edge of the end member. After the members are assembled onthe rod 11 such locking sleeves are slipped over the ends of the rodswith their tongues directed towards the end members and moved untiltheir bent ends snap into the corresponding notches of the rods.

As has been stated, in order to operate the jacquard pins according topredetermined. patterns, corresponding holes and bores in the face ofthe polygonal cylinder which during the reciprocating movement of thelatter is opposite the jacquard pins must be covered while othersuncovered. Accordingly, those members of the jacquard device or bandwhich register with the holes in the cylinder to be exposed or uncoveredare removed from the chain or band so that the latter when set for aparticular pattern has in each row one or more of the individual membersmissing, the number of such missing members and the location of the gapformed by the omission of a member depending upon the particularpattern. When one or more members in succession or at intervals areremoved, care must be taken that the remaining members u'iaintain theiroriginal position on the rods or be prevented from displacement thereon,since each member is designed for a particularly bore or hole of thejacquard cylinder. To accomplish this, I provide sleeves let adapted tobe removably mounted on the rods 11 and of a length equal to that of thecut out portion 10 of an individual member. lVhen a member is removedfrom the rods 11 it is replaced by a sleeve 14: which will exactly fillthe vacant space on the rod 11 and serve thus as a spacer. In case ofthe removal of two or more adjacent members, a corresponding number ofspacers will be mounted on the rods to fill the space of the eyelets ofthe removed members.

The band is suspended from the cylinder to hang down freely like theordinary ill) jacquard card, the prongsd of the polygonal cylindermeshing with the holes 12 in the end members 12 and guiding and feedingthe band as the cylinder rotates and its effect on the jacquard pinswill be the same as that of the ordinary card.

For each new pattern the band will be rearranged, i. e., some of themembers 10 removed to create spaces to expose particular bores in thecylinder. It thus is clear that my device can be effectively used forvarious patterns.

l/Vhat I claim and desire to secure by Letters Patent is g 1. In ajacquard mechanism for weaving machines, or the like, the combinationwith the jacquard cylinder having holes or bores, of an adjustableendless jacquard band composed of flexibly connected rows of removableindividual solid members, each to fit over and when removed to expose asingle hole in said cylinder.

2. In a jacquard mechanism for weaving machines or the like, thecombination with the jacquard cylinder having sets of holes andprojections, of an adjustable endless jacquard band composed of aplurality of flexibly connected rows of removable individual solidmembers each to fit over and when removed to expose a single hole insaid cylinder, and removable end members having perforations adapted tomesh with said projection to guide and feed said band around saidcylinder.

3.'In a jacquard mechanism for weaving machines or the like, thecombination with a polygonal jacquard cylinder havingsets of bores ineach face, of an endless adjustable jacquard band composed of aplurality of rows of individual rigid and solid members, means forremovably connecting said individual members to each other and forflexibly connecting the said rows to one another, the said members beingall of uniform shape and in length equal to the width of a face of saidpolygonal cylinder, and in width so admeasured as to fit over and whenremoved to expose a single hole of said cylinder.

4. In a jacquard mechanism for weaving machines or the like, thecombination with the jacquard cylinder having sets of bores, of anendless adjustable jacquard band,

composed of flexibly connected rows of removable individual solidmembers, each to fit over and when removed to uncover a single hole inthe cylinder, and means for looking said members in assembled position.

, 5. In a jacquard mechanism for weaving machines or the like, thecombination with the jacquard cylinder having a plurality of holes, ofan endless adjustable jalcquard band composed of flexibly connected rowsof removable individual solid members each to fit over and when removedto expose a single hole in said cylinder, and means for holding theindividual members in their position after the removal of any one ofsaid members.

6. An endless jacquard band composed of a plurality of rows ofindividual solid acting members of rigid material and perforated endmembers, each member being formed at its ends with tubular eyelets, rodson which said members are strung with said sockets and whereby theseveral rows are connected together, means for locking the said membersin assembled position and spacers adapted to be removably mounted onsaid rods to fill the spaces of the eyelets of the removed members andto hold the remaining members in their respective positions.

7. An endless jacquard band composed of individual acting members, eachmember having a broad portion adapted to fit over a single hole of aperforated jacquard cylinder, eyelets at opposite sides of its end edgesand a cut out portion adjacent each eyelet.

8. In combination with a polygonal jacquard cylinder having on each facedisplaced rows of bores, an endless jacquard band composed of rows ofindividual acting members each shaped to fit over a single bore of oneof said rows and removably strung together so that the members of eachrow will alternately cover the bores of the different rows, and endmembers for guiding and feeding said band around said cylinder.

Signed at New York, N. Y., this 28th day of January, 1922.

RUDOLPH HERMAN WEBER.

Witnesses:

- MAX D. ORDMAN,

JosEPH T. MoMAHo'N.

